IT1170300B - Metodo e dispositivo per l'elaborazione di immagini ai raggi x - Google Patents

Metodo e dispositivo per l'elaborazione di immagini ai raggi x

Info

Publication number
IT1170300B
IT1170300B IT21617/83A IT2161783A IT1170300B IT 1170300 B IT1170300 B IT 1170300B IT 21617/83 A IT21617/83 A IT 21617/83A IT 2161783 A IT2161783 A IT 2161783A IT 1170300 B IT1170300 B IT 1170300B
Authority
IT
Italy
Prior art keywords
processing
ray images
ray
images
Prior art date
Application number
IT21617/83A
Other languages
English (en)
Other versions
IT8321617A0 (it
Inventor
Leonardus Adrianus J Verhoeven
Otto Edger Schettema
Walter Everard Carels
Original Assignee
Philips Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Publication of IT8321617A0 publication Critical patent/IT8321617A0/it
Application granted granted Critical
Publication of IT1170300B publication Critical patent/IT1170300B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/30—Transforming light or analogous information into electric information
    • H04N5/32—Transforming X-rays
    • H04N5/3205—Transforming X-rays using subtraction imaging techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Closed-Circuit Television Systems (AREA)
IT21617/83A 1982-06-17 1983-06-14 Metodo e dispositivo per l'elaborazione di immagini ai raggi x IT1170300B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8202450A NL8202450A (nl) 1982-06-17 1982-06-17 Werkwijze en inrichting voor het verwerken van roentgenbeelden.

Publications (2)

Publication Number Publication Date
IT8321617A0 IT8321617A0 (it) 1983-06-14
IT1170300B true IT1170300B (it) 1987-06-03

Family

ID=19839897

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21617/83A IT1170300B (it) 1982-06-17 1983-06-14 Metodo e dispositivo per l'elaborazione di immagini ai raggi x

Country Status (11)

Country Link
US (1) US4507681A (it)
JP (1) JPS5916481A (it)
BE (1) BE897048A (it)
CA (1) CA1205219A (it)
DE (1) DE3320261C2 (it)
FR (1) FR2528691B1 (it)
GB (1) GB2122050B (it)
IL (1) IL68981A (it)
IT (1) IT1170300B (it)
NL (1) NL8202450A (it)
SE (1) SE453244B (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5951686A (ja) * 1982-09-02 1984-03-26 Hitachi Medical Corp デイジタルフイルタ法及びデイジタルフイルタ
JPS59103648A (ja) * 1982-12-06 1984-06-15 株式会社東芝 Ｘ線撮像装置
EP0112582B1 (en) * 1982-12-27 1987-03-18 Kabushiki Kaisha Toshiba Superposed image display device
DE3341215A1 (de) * 1983-11-14 1985-05-30 Siemens AG, 1000 Berlin und 8000 München Roentgenstereo-subtraktionsvorrichtung
JPS60150729A (ja) * 1984-01-19 1985-08-08 株式会社東芝 Ｘ線診断装置
DE3426830A1 (de) * 1984-03-12 1985-09-12 Siemens AG, 1000 Berlin und 8000 München Roentgendiagnostikeinrichtung
JPS60208185A (ja) * 1984-03-31 1985-10-19 Shimadzu Corp Ｘ線画像処理装置
US4802983A (en) * 1985-07-19 1989-02-07 Howeth David Franklin Hopper loading directly insertable horizontally mounted cylindrical segmented bore pleated filter system for rotary broom sweepers
FR2604048B1 (fr) * 1986-09-12 1989-06-09 Thomson Cgr Installation de radiologie a camera de television a element de prise de vues de faible remanence
US4761819A (en) * 1987-02-27 1988-08-02 Picker International, Inc. Adaptive noise reduction filter for reconstructed images
JP2508078B2 (ja) * 1987-04-30 1996-06-19 株式会社島津製作所 Ｘ線画像処理装置
JPH0226478A (ja) * 1988-07-15 1990-01-29 Toshiba Corp 巡回型雑音低減装置
JPH03126380A (ja) * 1989-10-12 1991-05-29 Toshiba Corp 映像雑音低減回路
US5309243A (en) * 1992-06-10 1994-05-03 Eastman Kodak Company Method and apparatus for extending the dynamic range of an electronic imaging system
JP3789728B2 (ja) * 1999-08-10 2006-06-28 ジーイー横河メディカルシステム株式会社 プロジェクションデータ補正方法および装置並びに放射線断層撮像装置
US6373919B1 (en) 1999-08-10 2002-04-16 Ge Yokogawa Medical Systems, Limited Projection data correction method and apparatus, and radiation tomographic imaging method and apparatus
JP2003283925A (ja) * 2002-03-20 2003-10-03 Sony Corp 画像合成装置及び方法
JP2005210384A (ja) * 2004-01-22 2005-08-04 Konica Minolta Medical & Graphic Inc 画像処理方法および画像処理装置ならびに画像処理プログラム
US7639879B2 (en) * 2004-05-31 2009-12-29 Kabushiki Kaisha Toshiba Group information generating system and group information generating method
GB2438660B (en) * 2006-06-02 2011-03-30 Tandberg Television Asa Recursive filter system for a video signal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2521796C3 (de) * 1975-05-16 1979-12-13 Philips Patentverwaltung Gmbh, 2000 Hamburg Anordnung zur Ermittlung der räumlichen Verteilung der Absorption oder der Emission von Strahlung in einer Ebene eines Körpers
GB2020945B (en) * 1978-05-16 1982-12-01 Wisconsin Alumni Res Found Real-time digital x-ray substraction imaging
NL184298C (nl) * 1979-07-19 1989-06-01 Philips Nv Inrichting voor verschilbeeldbepaling.
DE3043703C2 (de) * 1980-11-19 1983-01-20 Siemens AG, 1000 Berlin und 8000 München Röntgendiagnostikeinrichtung zur Erstellung von Subtraktionsbildern

Also Published As

Publication number Publication date
DE3320261A1 (de) 1983-12-29
IL68981A0 (en) 1983-10-31
SE8303375L (sv) 1983-12-18
IL68981A (en) 1986-12-31
DE3320261C2 (de) 1986-10-30
GB2122050B (en) 1985-11-06
JPS5916481A (ja) 1984-01-27
GB2122050A (en) 1984-01-04
FR2528691B1 (fr) 1986-03-28
NL8202450A (nl) 1984-01-16
CA1205219A (en) 1986-05-27
JPH0354515B2 (it) 1991-08-20
IT8321617A0 (it) 1983-06-14
SE453244B (sv) 1988-01-18
FR2528691A1 (fr) 1983-12-23
BE897048A (fr) 1983-12-14
US4507681A (en) 1985-03-26
SE8303375D0 (sv) 1983-06-14
GB8316117D0 (en) 1983-07-20

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